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08/16/07 | 1 views | #20070187203 | Prev - Next | USPTO Class 192 | About this Page  192 rss/xml feed  monitor keywords

Apparatus for the operation of a hydrodynamic torque converter and a therewith corresponding converter bypassing clutch of a transmission apparatus

USPTO Application #: 20070187203
Title: Apparatus for the operation of a hydrodynamic torque converter and a therewith corresponding converter bypassing clutch of a transmission apparatus
Abstract: An apparatus operating a hydrodynamic torque converter and a corresponding converter-bypass clutch of a transmission. The apparatus having a line system, a solenoid valve and a therewith coacting variable pressure controlling valve. A valve stem assembly respectively of the solenoid valve and the pressure control valve are controllable by subjection to a pilot pressure counter to a spring arrangement. A spent flow of the torque converter is, by way of a piston chamber of the converter-bypass clutch, which chamber is subjected to hydraulic fluid pressure of the spent flow of the torque converter, by means of an operational pressure aperture valve and a relief control aperture valve of the pressure control valve, connectable to a spent flow control aperture valve of the solenoid valve. By way of the piston chamber, this spent flow communicates with the hydraulic system through the spent flow control aperture valve of the solenoid valve.
(end of abstract)
Agent: Davis & Bujold, P.l.l.c. - Concord, NH, US
Inventors: Georg Gierer, Thilo Schmidt
USPTO Applicaton #: 20070187203 - Class: 192 329 (USPTO)


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Apparatus for the operation of a hydrodynamic torque converter and a therewith corresponding converter bypassing clutch of a transmission apparatus
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Clutches and power-stop control

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